
Stereotactic Headring Components............................................................................................................48
Attaching the Fixation Posts.......................................................................................................................51
Adjusting the Torque Wrench .....................................................................................................................52
Affixing the Stereotactic Headring to the Patient ........................................................................................54
Stereotactic Mask System......................................................................................................................57
Mask System Components ........................................................................................................................57
Molding the Mask.......................................................................................................................................60
Removing and Reattaching the Mask.........................................................................................................65
Upper Jaw Support..................................................................................................................................67
Components ..............................................................................................................................................67
Attaching the Upper Jaw Support...............................................................................................................69
IMAGING.............................................................................................................................................71
Imaging with the Headring and Mask System ...................................................................................71
Localizer Design ........................................................................................................................................71
Attaching the Localizer...............................................................................................................................73
Angio Distortion Correction Module............................................................................................................75
POSITIONING FOR TREATMENT...............................................................................77
Stereotactic Target Positioner...............................................................................................................77
Overview....................................................................................................................................................77
Attaching the Overlays and Carrier Plates..................................................................................................79
Mounting the Stereotactic Target Positioner...............................................................................................80
Positioning the System for Treatment.........................................................................................................81
Using the Stereotactic Counterweight ........................................................................................................82
Target Positioner for Leksell Headring ...............................................................................................84
Overview....................................................................................................................................................84
Attaching the Overlays and Carrier Plates..................................................................................................85
Mounting the Target Positioner for Leksell Headring ..................................................................................86
Positioning the System for Treatment.........................................................................................................87
QUALITY ASSURANCE.......................................................................................................89
Winston-Lutz Test....................................................................................................................................89
Testing with the Phantom Pointer for Brainlab Headring.............................................................................90
Testing with the Phantom Pointer for a non-Brainlab Headring...................................................................92
Film Exposure............................................................................................................................................94
CLEANING, DISINFECTION, AND STERILIZATION..................................95
Reprocessing............................................................................................................................................95
Automatic Cleaning and Disinfection..........................................................................................................95
Neutral Steam Sterilization.........................................................................................................................97
Low Temperature Plasma Sterilization (LTP)..............................................................................................98
Stereotactic Hardware.............................................................................................................................99
Overview....................................................................................................................................................99
TABLE OF CONTENTS
4 Hardware User Guide Rev. 4.9 RT / RS Stereotactic Hardware